Abstract
Renin-angiotensin system (RAS) plays a key role in pathogenesis of cardiovascular disease and in the responsiveness for various types of medications. A large number of genetic investigations have been carried out to examine the association between gene variants of RAS and predisposition to cardiovascular diseases, such as hypertension, coronary artery disease and stroke. Even though the major results were obtained from genetic association studies of angiotensinogen or angiotensin converting enzyme, unique findings were also elucidated from investigations concerning single nucleotide polymorphisms (SNPs) of 2 types of angioteinsin II receptor genes denoted as AGTR1 and AGTR2. Both genes have many SNPs in the coding and its flanking regions but most of the studies used A1166C polymorphism of AGTR1 and G1675A polymorphism of AGTR2. In the subjects with C1166 allele of AGTR1, several investigations reported increased risk for coronary artery disease, ischemic stroke, heart failure and end-stage renal disease but not for hypertension. Interestingly, a few papers pointed out the possibility that A1166C modulates the efficacy of RAS inhibitors. In the genetic analysis of AGTR2, G1675 allele carriers had increased risk for left ventricular hypertrophy, renal insufficiency and modulated hemodynamic response to RAS inhibitors. In this review, we summarized previous investigations concerning the genetic aspects of AGTR1 and AGTR2 to consider the clinical utility of SNPs of these receptors.
Keywords: Renin angiotensin system (RAS), single nucleotide polymorphisms (SNPs), genetics, cardiovascular disease, genome wide association study (GWAS), hypertension, left ventricular hypertrophy, angiotensin II receptor blocker (ARB).
Current Pharmaceutical Design
Title:Gene Polymorphism of Angiotensin II Type 1 and Type 2 Receptors
Volume: 19 Issue: 17
Author(s): Tomohiro Katsuya and Ryuichi Morishita
Affiliation:
Keywords: Renin angiotensin system (RAS), single nucleotide polymorphisms (SNPs), genetics, cardiovascular disease, genome wide association study (GWAS), hypertension, left ventricular hypertrophy, angiotensin II receptor blocker (ARB).
Abstract: Renin-angiotensin system (RAS) plays a key role in pathogenesis of cardiovascular disease and in the responsiveness for various types of medications. A large number of genetic investigations have been carried out to examine the association between gene variants of RAS and predisposition to cardiovascular diseases, such as hypertension, coronary artery disease and stroke. Even though the major results were obtained from genetic association studies of angiotensinogen or angiotensin converting enzyme, unique findings were also elucidated from investigations concerning single nucleotide polymorphisms (SNPs) of 2 types of angioteinsin II receptor genes denoted as AGTR1 and AGTR2. Both genes have many SNPs in the coding and its flanking regions but most of the studies used A1166C polymorphism of AGTR1 and G1675A polymorphism of AGTR2. In the subjects with C1166 allele of AGTR1, several investigations reported increased risk for coronary artery disease, ischemic stroke, heart failure and end-stage renal disease but not for hypertension. Interestingly, a few papers pointed out the possibility that A1166C modulates the efficacy of RAS inhibitors. In the genetic analysis of AGTR2, G1675 allele carriers had increased risk for left ventricular hypertrophy, renal insufficiency and modulated hemodynamic response to RAS inhibitors. In this review, we summarized previous investigations concerning the genetic aspects of AGTR1 and AGTR2 to consider the clinical utility of SNPs of these receptors.
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Cite this article as:
Katsuya Tomohiro and Morishita Ryuichi, Gene Polymorphism of Angiotensin II Type 1 and Type 2 Receptors, Current Pharmaceutical Design 2013; 19 (17) . https://dx.doi.org/10.2174/1381612811319170004
DOI https://dx.doi.org/10.2174/1381612811319170004 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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